nobody can tell just how the men cut,carried and lifed the huge stones without our modern machines

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• nobody can tell just how the men cut,carried and lifed the huge stones without our modern machines
• If you go to Egypt,you’ll see a lot of pyramids.The biggest of all is the Great Pyramid.It is about 137 meters high and made of 2,300,000 big stones.Each stone weighs about two and a half tons（吨）.The biggest ones even weigh fifteen tons.It took more than 100,000 men twenty years to build it.Nobody can tell just how the men cut,carried and lifted（举）the huge stones without our modern machines（机器）.The Egyptian kings told the people to build the pyramids
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